C/2026 B2 (Sun-Gao) Orbit by S. Nakano unpublished (2026) Observed in 1st half of 2026
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) 2026 Jan. 10.1731 1.284773 1.0 47.3460 234.6457 59.5735 0.200 m1 = 12.5 + 5 log Delta + 8.0 log r Date/ 0h TT R.A.(1950) Decl. R.A.(2000) Decl. Delta r Daily motion Magnitude Mot./PA Elong. P PA/Tail Moon Age h m ¡ , h m ¡ , m , m1 , ¡ ¡ ¡ ¡ ¡ ¡ 2025 Dec. 31 17 45.64 -04 55.6 17 48.30 -04 56.5 2.152 1.294 +3.48 +26.9 15.1 58.6/ 63 22.0 16.6 327/1.39 138 .84 2026 Jan. 10 18 20.48 -00 29.1 18 23.05 -00 27.6 2.092 1.285 +3.60 +29.3 15.0 61.4/ 61 26.2 19.7 327/1.70 86 .56 20 18 56.56 +04 21.5 18 59.04 +04 25.7 2.052 1.293 +3.70 +30.7 15.0 63.0/ 60 29.8 22.2 327/1.93 39 .01 30 19 33.60 +09 25.6 19 35.99 +09 32.3 2.036 1.319 +3.75 +30.6 15.0 63.0/ 60 32.7 23.8 327/2.08 136 .89 Feb. 9 20 11.22 +14 29.0 20 13.54 +14 38.1 2.048 1.361 +3.76 +29.1 15.1 61.3/ 60 34.9 24.5 327/2.13 89 .55 19 20 48.90 +19 17.7 20 51.17 +19 29.0 2.087 1.418 +3.71 +26.5 15.3 58.1/ 61 36.3 24.4 327/2.08 43 .03 Mar. 1 21 26.05 +23 40.6 21 28.30 +23 53.7 2.152 1.486 +3.61 +23.2 15.5 53.9/ 63 37.0 23.6 327/1.97 134 .93 11 22 02.09 +27 30.9 22 04.37 +27 45.5 2.238 1.564 +3.46 +19.7 15.8 49.3/ 64 37.0 22.5 326/1.81 93 .54 21 22 36.60 +30 47.1 22 38.92 +31 02.7 2.340 1.649 +3.27 +16.5 16.1 44.5/ 66 36.5 21.1 324/1.63 43 .05 31 23 09.20 +33 31.2 23 11.61 +33 47.5 2.450 1.741 +3.06 +13.6 16.4 40.0/ 68 35.8 19.6 322/1.46 141 .95 Apr. 10 23 39.74 +35 46.9 23 42.23 +36 03.5 2.565 1.838 +2.85 +11.2 16.7 35.9/ 70 35.1 18.3 318/1.30 88 .52 20 00 08.13 +37 38.9 00 10.73 +37 55.6 2.678 1.938 +2.64 + 9.2 16.9 32.2/ 71 34.6 17.1 314/1.18 50 .09 30 00 34.38 +39 11.5 00 37.08 +39 28.0 2.786 2.040 +2.43 + 7.7 17.2 28.9/ 73 34.7 16.3 308/1.08 151 .97 May 10 00 58.53 +40 28.4 01 01.34 +40 44.6 2.885 2.145 +2.22 + 6.4 17.5 25.8/ 74 35.5 15.9 302/1.02 74 .49 20 01 20.65 +41 33.0 01 23.56 +41 48.6 2.972 2.251 +2.02 + 5.4 17.7 23.1/ 75 37.2 15.8 295/0.98 68 .15 30 01 40.77 +42 27.6 01 43.77 +42 42.6 3.046 2.357 +1.82 + 4.6 17.9 20.5/ 76 39.7 15.9 289/0.97 152 .98 June 9 01 58.93 +43 14.1 02 02.02 +43 28.5 3.105 2.464 +1.63 + 3.9 18.1 18.1/ 76 43.1 16.4 283/0.98 54 .44 19 02 15.13 +43 54.1 02 18.30 +44 07.9 3.148 2.571 +1.43 + 3.4 18.3 15.6/ 76 47.4 16.9 278/1.00 93 .20 29 02 29.32 +44 28.6 02 32.55 +44 41.8 3.175 2.679 +1.22 + 2.9 18.4 13.2/ 76 52.4 17.5 273/1.02 139 .99 July 9 02 41.42 +44 58.3 02 44.71 +45 11.0 3.186 2.786 +1.00 + 2.5 18.6 10.8/ 76 58.1 18.0 269/1.05 31 .37 19 02 51.33 +45 23.7 02 54.67 +45 35.8 3.183 2.893 +0.76 + 2.0 18.7 8.2/ 75 64.4 18.5 266/1.08 119 .26 29 02 58.87 +45 44.4 03 02.25 +45 56.1 3.166 2.999 +0.51 + 1.5 18.8 5.5/ 73 71.3 18.7 262/1.10 116 1.00 Aug. 8 03 03.91 +45 59.8 03 07.31 +46 11.3 3.138 3.105 +0.23 + 0.9 18.9 2.6/ 70 78.8 18.7 258/1.10 25 .29 18 03 06.24 +46 08.6 03 09.66 +46 20.0 3.102 3.211 -0.05 0.0 19.0 0.5/272 86.9 18.4 254/1.10 145 .30 28 03 05.75 +46 08.8 03 09.16 +46 20.2 3.062 3.315 -0.34 - 1.1 19.1 3.7/253 95.5 17.7 249/1.07 86 1.00 Sept. 7 03 02.41 +45 57.4 03 05.80 +46 09.0 3.022 3.420 -0.61 - 2.6 19.2 6.9/248 104.7 16.6 244/1.02 55 .21 17 02 56.32 +45 31.1 02 59.68 +45 43.0 2.988 3.523 -0.85 - 4.4 19.3 10.0/244 114.3 15.1 238/0.94 157 .33 27 02 47.85 +44 46.3 02 51.16 +44 58.6 2.966 3.626 -1.03 - 6.5 19.3 12.8/240 124.2 13.2 230/0.83 51 1.00 Oct. 7 02 37.63 +43 40.5 02 40.88 +43 53.4 2.962 3.729 -1.12 - 8.7 19.4 15.1/236 134.3 11.1 221/0.70 95 .15 17 02 26.48 +42 13.0 02 29.65 +42 26.4 2.980 3.830 -1.12 -10.7 19.5 16.5/231 143.8 8.8 207/0.55 131 .34 27 02 15.33 +40 26.0 02 18.43 +40 39.8 3.027 3.931 -1.03 -12.1 19.7 17.0/225 151.7 6.9 187/0.43 20 .99 Nov. 6 02 05.07 +38 24.5 02 08.09 +38 38.7 3.106 4.032 -0.88 -12.9 19.8 16.6/220 155.9 5.8 159/0.35 137 .11 16 01 56.33 +36 15.2 01 59.29 +36 29.8 3.218 4.131 -0.68 -12.9 20.0 15.4/213 154.2 6.0 128/0.35 94 .36 26 01 49.53 +34 05.9 01 52.45 +34 20.7 3.362 4.230 -0.48 -12.3 20.1 13.6/206 147.8 7.1 106/0.40 46 .97 Dec. 6 01 44.82 +32 03.0 01 47.69 +32 17.9 3.536 4.329 -0.27 -11.2 20.3 11.7/197 139.0 8.6 92/0.46 165 .09 16 01 42.15 +30 11.3 01 45.00 +30 26.3 3.737 4.426 -0.08 - 9.7 20.5 9.8/186 129.3 9.9 84/0.50 57 .38 26 01 41.39 +28 33.8 01 44.21 +28 48.8 3.959 4.523 +0.09 - 8.2 20.7 8.3/172 119.4 10.9 78/0.52 86 .94 2027 Jan. 5 01 42.29 +27 11.5 01 45.11 +27 26.5 4.197 4.620 +0.24 - 6.7 20.9 7.4/155 109.6 11.6 74/0.52 140 .07 15 01 44.66 +26 04.3 01 47.47 +26 19.2 4.446 4.716 +0.36 - 5.3 21.1 7.2/137 99.9 11.9 71/0.51 23 .41 25 01 48.25 +25 11.2 01 51.05 +25 26.0 4.701 4.811 +0.46 - 4.1 21.3 7.5/123 90.5 11.8 69/0.48 123 .91 Feb. 4 01 52.86 +24 30.7 01 55.66 +24 45.4 4.958 4.906 +0.54 - 3.0 21.5 8.0/111 81.3 11.5 67/0.44 110 .06 14 01 58.30 +24 01.2 02 01.11 +24 15.7 5.211 5.000 +0.61 - 2.0 21.7 8.6/103 72.3 10.8 66/0.40 15 .46 24 02 04.41 +23 41.1 02 07.22 +23 55.4 5.456 5.093 +0.66 - 1.3 21.8 9.2/ 98 63.5 10.0 65/0.35 156 .88 Mar. 6 02 11.04 +23 28.7 02 13.86 +23 42.7 5.691 5.186 +0.70 - 0.6 22.0 9.7/ 93 55.0 9.0 63/0.30 82 .05